[Voyage-linux] strange messages olsrd

[Kim-man 'Punky' TSE]

Hi,

Voyage 0.5 comes with madwifi 0.9.4-rc2, will it solve the adhoc problem?

Regards,
Punky

Frederico Marques wrote:
> Ola' Xavier,
>
> I've been playing with Adhoc Mesh + Madwifi + OLSR for the past 2 
> years and I warn you, unfortunately Madwifi + Adhoc is not very 
> stable, yet (for me it gave me too much trouble). The xmit buf is a 
> known bug, I advise you first to run last stable version of Madwifi 
> (0.9.4) as the version that ships with Voyage is old (from debian 
> stable repos). One of the workarounds is to disable power saving mode:
>
> iwpriv ath0 uapsd 0
>
> Don't know if it works for you. For others to solutions is to increase 
> a ATH_TX buffer to 400 on the code and recompile the driver (yes, ugly 
> hack).
>
> http://madwifi.org/ticket/717
>
> Good luck,
>
> Fred
>
> On Apr 14, 2008, at 1:18 PM, Xavier Martinez wrote:
>> Hi!
>>
>> We are developing a mesh network (olsrd) supported by a trunk network
>> in Spain.  We are currently using voyage 0.4.1 for the WRAPs of the
>> trunk network in ad-hoc and a mode. Until now, in the trunk we used
>> linksys with freifunk to give OLSR coverage to clients and WRAPS to
>> link nodes with dedicated links over an OSPF network and no problem.
>> OLSR nodes in the trunk are "forced" to pass over the OSPF network
>> using an openvpn connection (Interface tapX)
>>
>> Recently, we tried to replace linksys for WRAPs with voyage 0.4.1 with
>> olsrd and openvpn installed. We configured the openvpn links and it
>> seemed to work properly. However, later we've realized that
>> /var/log/messages is flooded with:
>>
>> kernel: ath_mgtstart: discard, no xmit buf
>>
>> It happens in b and g mode (we have not tried a mode). However, WRAPs
>> that are in the OSPF don't show this weird behaviour. Any ideas?
>>
>> Here are the olsr and interfaces configuration:
>>
>> /etc/olsrd.conf
>>
>> DebugLevel              0
>> IpVersion               4
>> AllowNoInt              yes
>> Pollrate                0.1
>> TcRedundancy            2
>> MprCoverage             7
>> LinkQualityFishEye      1
>> LinkQualityWinSize      100
>> LinkQualityDijkstraLimit 0 6.0
>> LinkQualityLevel 2
>> UseHysteresis no
>> Interface "ath0" "ath1"
>>         {
>>         HelloInterval           4.0
>>         HelloValidityTime       72.0
>>         TcInterval              3.0
>>         TcValidityTime          216.0
>>         MidInterval             12.0
>>         MidValidityTime         216.0
>>         HnaInterval             12.0
>>         HnaValidityTime         72.0
>>         }
>>
>> Interface "tap0"
>> {
>>         HelloInterval           5.0
>>         HelloValidityTime       90.0
>>         TcInterval              2.0
>>         TcValidityTime          270.0
>>         MidInterval             15.0
>>         MidValidityTime         90.0
>>         HnaInterval             15.0
>>         HnaValidityTime         90.0
>>         Ip4Broadcast 10.224.255.255
>> }
>> # Olsrd plugins to load
>> LoadPlugin "olsrd_httpinfo.so.0.1"
>>         {
>>         PlParam     "port"   "80"
>>         PlParam     "Net"    "0.0.0.0 0.0.0.0"
>>         }
>> LoadPlugin "olsrd_nameservice.so.0.3"
>>         {
>>         PlParam "name"          "TDT-4"
>>         PlParam "hosts-file"    "/tmp/hosts.olsr"
>>         PlParam "resolv-file"   "/tmp/resolv.conf.olsr"
>>        }
>> LoadPlugin "olsrd_dyn_gw.so.0.4"
>>         {
>>         PlParam     "Interval"   "40"
>>         PlParam     "Ping"  "80.58.0.33"
>>         }
>> LoadPlugin "olsrd_txtinfo.so.0.1"
>>         {
>>         PlParam "Accept" "127.0.0.1"
>>         }
>>
>> /etc/network/interfaces
>>
>> auto lo
>> iface lo inet loopback
>>
>>
>> auto ath0
>> iface ath0 inet static
>>         address 10.224.0.14
>>         netmask 255.255.0.0
>>         pre-up wlanconfig ath0 create wlandev wifi0 wlanmode adhoc
>>         pre-up iwconfig ath0 channel 6
>>         up iwconfig ath0 essid guifibages
>>         up sysctl -w dev.wifi0.diversity=0
>>         up sysctl -w dev.wifi0.txantenna=1
>>         up sysctl -w dev.wifi0.rxantenna=1
>>         up athctrl -i wifi0 -d 3000
>>         up iwpriv ath0 mode 3
>>         up iwconfig ath0 ap 12:34:56:78:9A:BC
>>
>> auto ath1
>> iface ath1 inet static
>>         address 10.224.0.15
>>         netmask 255.255.0.0
>>         pre-up wlanconfig ath1 create wlandev wifi1 wlanmode adhoc
>>         pre-up iwconfig ath1 channel 6
>>         up iwconfig ath1 essid guifibages
>>         up sysctl -w dev.wifi1.diversity=0
>>         up sysctl -w dev.wifi1.txantenna=1
>>         up sysctl -w dev.wifi1.rxantenna=1
>>         up athctrl -i wifi1 -d 3000
>>         up iwpriv ath1 mode 3
>>         up iwconfig ath1 ap 12:34:56:78:9A:BC
>>
>> auto eth0
>> iface eth0 inet static
>>         address 10.225.0.68
>>         netmask 255.255.255.240
>>         up route add -net 10.225.0.0/16 gw 10.225.0.65
>>
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>
>
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-- 
Regards,
Punky

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